***Pullets and hens of Leghorn-type strains are generally fed ad libitum but are occasionally control-fed to limit body weights. Values shown are typical but will vary with strain differences, season and lighting. Specific breeder guidelines should be consulted for desired schedules of weights and feed consumption.
****Based on diets containing 2,900 ME kcal per kilogram, consumption will vary depending upon the caloric density of the diet, environmental temperature and rate of production.

Table 4
Nutrient requirements of broilers as percentages or as milligrams or units per kilogram of diet

Energy base ME kcal per kilogram diet*****

Weeks 0 to 3
3,200

Weeks 3 to 6
3,200

Weeks 6 to 8
3,200

Protein (percent)

23.0

20.0

18.0

Arginine (percent)

1.44

1.20

1.00

Glycine + Serine (percent)

1.50

1.00

0.70

Histidine (percent)

0.35

0.30

0.26

Isoleucine (percent)

0.80

0.70

0.60

Leucine (percent)

1.35

1.18

1.00

Lysine (percent)

1.20

1.00

0.85

Methionine + Cystine (percent)

0.93

0.72

0.60

Methionine (percent)

0.50

0.38

0.32

Phenylalanine + Tyrosine (percent)

1.34

1.17

1.00

Phenylalanine (percent)

0.72

0.63

0.54

Threonine (percent)

0.80

0.74

0.68

Tryptophan (percent)

0.23

0.18

0.17

Valine (percent)

0.82

0.72

0.62

Linoleic acid (percent)

1.00

1.00

1.00

Calcium (percent)

1.00

0.90

0.80

Phosphorus, available (percent)

0.45

0.40

0.35

Potassium (percent)

0.40

0.35

0.30

Sodium (percent)

0.15

0.15

0.15

Chlorine (percent)

0.15

0.15

0.15

Magnesium (mg)

600

600

600

Manganese (mg)

60.0

60.0

60.0

Zinc (mg)

40.0

40.0

40.0

Iron (mg)

80.0

80.0

80.0

Copper (mg)

8.0

8.0

8.0

Iodine (mg)

0.35

0.35

0.35

Selenium (mg)

0.15

0.15

0.15

Vitamin A (IU)

1,500

1,500

1,500

Vitamin D (ICU)

200

200

200

Vitamin E (IU)

10

10

10

Vitamin K (mg)

0.50

0.50

0.50

Riboflavin (mg)

3.60

3.60

3.60

Pantothenic acid (mg)

10.0

10.0

10.0

Niacin (mg)

27.0

27.0

11.0

Vitamin B12 (mg)

0.009

0.009

0.003

Choline (mg)

1,300

850

500

Biotin (mg)

0.15

0.15

0.10

Folacin (mg)

0.55

0.55

0.25

Thiamin (mg)

1.80

1.80

1.80

Pyridoxine (mg)

3.0

3.0

2.5

*****These are typical dietary energy concentrations.

Table 5
Nutrient requirements of turkeys as percentages or as milligrams or units per kilogram of feed

Energy base ME kcal per kilogram diet******

Age (weeks)

M: 0 to 4,
F: 0 to 4
2,800

M: 4 to 8,
F: 4 to 8
2,900

M: 8 to 12,
F: 8 to 11
3,000

M: 12 to 16,
F: 11 to 14
3,100

M: 16 to 20,
F: 14 to 17
3,200

M: 20 to 24,
F: 17 to 20
3,300

Holding
2,900

Breeding hens
2,900

Protein (percent)

28

26

22

19

16.5

14

12

14

Arginine (percent)

1.6

1.5

1.25

1.1

0.95

0.8

0.6

0.6

Glycine + serine (percent)

1.0

0.9

0.8

0.7

0.6

0.5

0.4

0.5

Histidine (percent)

0.58

0.54

0.46

0.39

0.35

0.29

0.25

0.3

Isoleucine (percent)

1.1

1.0

0.85

0.75

0.65

0.55

0.45

0.5

Leucine (percent)

1.9

1.75

1.5

1.3

1.1

0.95

0.5

0.5

Lysine

1.6

1.5

1.3

1.0

0.8

0.65

0.5

0.6

Methionine +cystine (percent)

1.05

0.9

0.75

0.65

0.55

0.45

0.4

0.4

Methionine (percent)

0.53

0.45

0.38

0.33

0.28

0.23

0.2

0.2

Phenylalanine + tyrosine (percent)

1.8

1.65

1.4

1.2

1.05

0.9

0.8

1.0

Phenylalanine (percent)

1.0

0.9

0.8

0.7

0.6

0.5

0.4

0.55

Threonine (percent)

1.0

0.93

0.79

0.68

0.59

0.5

0.4

0.45

Tryptophan (percent)

0.26

0.24

0.2

0.18

0.15

0.13

0.1

0.13

Valine (percent)

1.2

1.1

0.94

0.8

0.7

0.6

0.5

0.58

Linoleic acid (percent)

1.0

1.0

0.8

0.8

0.8

0.8

0.8

1.0

Calcium (percent)

1.2

1.0

0.85

0.75

0.65

0.55

0.5

2.25

Phosphorus, available (percent)

0.6

0.5

0.42

0.38

0.32

0.28

0.25

0.35

Potassium (percent)

0.7

0.6

0.5

0.5

0.4

0.4

0.4

0.6

Sodium (percent)

0.17

0.15

0.12

0.12

0.12

0.12

0.12

0.15

Chlorine (percent)

0.15

0.14

0.14

0.12

0.12

0.12

0.12

0.12

Magnesium (mg)

600

600

600

600

600

600

600

600

Manganese (mg)

60

60

60

60

60

60

60

60

Zinc (mg)

75

65

50

40

40

40

40

65

Iron (mg)

80

60

60

60

50

50

50

60

Copper (mg)

8

8

6

6

6

6

6

8

Iodine (mg)

0.4

0.4

0.4

0.4

0.4

0.4

0.4

0.4

Selenium (mg)

0.2

0.2

0.2

0.2

0.2

0.2

0.2

0.2

Vitamin A (IU)

4,000

4,000

4,000

4,000

4,000

4,000

4,000

4,000

Vitamin D (ICU)*******

900

900

900

900

900

900

900

900

Vitamin E (IU)

12

12

10

10

10

10

10

25

Vitamin K (mg)

1.0

1.0

0.8

0.8

0.8

0.8

0.8

1.0

Riboflavin (mg)

3.6

3.6

3.0

3.0

2.5

2.5

2.5

4.0

Pantothenic acid (mg)

11.0

11.0

9.0

9.0

9.0

9.0

9.0

16.0

Niacin (mg)

70.0

70.0

50.0

50.0

40.0

40.0

40.0

30.0

Vitamin B12 (mg)

0.003

0.003

0.003

0.003

0.003

0.003

0.003

0.003

Choline (mg)

1,900

1,600

1,300

1,100

950

800

800

1,000

Biotin (mg)

0.2

0.2

0.15

0.125

0.100

0.100

0.100

0.15

Folacin (mg)

1.0

1.0

0.8

0.8

0.7

0.7

0.7

1.0

Thiamin (mg)

2.0

2.0

2.0

2.0

2.0

2.0

2.0

2.0

Pyridoxine (mg)

4.5

4.5

3.5

3.5

3.0

3.0

3.0

4.0

******These are typical ME concentrations for corn-soy diets. Different ME values may be appropriate if other ingredients predominate.
*******These concentrations of vitamin D are satisfactory when the dietary concentrations of calcium and available phosphorus conform with those in this table.